$5.$ Answer the following with the Average Labor Productivity per Worker

Week Crew Size

$1250$

$2372$

$3369$

$4496$

$5492$

$6252$

Crew Size of $2$ average productivity$=\_\_\_\_\_$

Crew Size of $3$ average productivity$=\_\_\_\_\_\_$

Crew Size of $4$ average productivity$=\_\_\_\_\_\_$

A crew size of $\_\_\_\_$ seems to work best with an Average Labor Productivity per worker $=\_\_\_\_\_\_\_$